<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */
/**
 * Smarty {config_load} function plugin
 *
 * Type:     function<br>
 * Name:     config_load<br>
 * Purpose:  load config file vars
 * @link http://smarty.php.net/manual/en/language.function.config.load.php {config_load}
 *       (Smarty online manual)
 * @author Monte Ohrt <monte at ohrt dot com>
 * @author messju mohr <messju at lammfellpuschen dot de> (added use of resources)
 * @param array Format:
 * <pre>
 * array('file' => required config file name,
 *       'section' => optional config file section to load
 *       'scope' => local/parent/global
 *       'global' => overrides scope, setting to parent if true)
 * </pre>
 * @param Smarty
 */
function smarty_function_config_load($params, &$smarty) {
	if($smarty->debugging) {
		$_params = array();
		require_once (SMARTY_CORE_DIR . 'core.get_microtime.php');
		$_debug_start_time = smarty_core_get_microtime($_params, $smarty);
	}
	$_file = isset($params['file']) ? $smarty->_dequote($params['file']) : null;
	$_section = isset($params['section']) ? $smarty->_dequote($params['section']) : null;
	$_scope = isset($params['scope']) ? $smarty->_dequote($params['scope']) : 'global';
	$_global = isset($params['global']) ? $smarty->_dequote($params['global']) : false;
	if(! isset($_file) || strlen($_file) == 0) {
		$smarty->trigger_error("missing 'file' attribute in config_load tag", E_USER_ERROR, __FILE__, __LINE__);
	}
	if(isset($_scope)) {
		if($_scope != 'local' && $_scope != 'parent' && $_scope != 'global') {
			$smarty->trigger_error("invalid 'scope' attribute value", E_USER_ERROR, __FILE__, __LINE__);
		}
	} else {
		if($_global) {
			$_scope = 'parent';
		} else {
			$_scope = 'local';
		}
	}
	$_params = array('resource_name' => $_file , 'resource_base_path' => $smarty->config_dir , 'get_source' => false);
	$smarty->_parse_resource_name($_params);
	$_file_path = $_params['resource_type'] . ':' . $_params['resource_name'];
	if(isset($_section))
		$_compile_file = $smarty->_get_compile_path($_file_path . '|' . $_section);
	else
		$_compile_file = $smarty->_get_compile_path($_file_path);
	if($smarty->force_compile || ! file_exists($_compile_file)) {
		$_compile = true;
	} elseif($smarty->compile_check) {
		$_params = array('resource_name' => $_file , 'resource_base_path' => $smarty->config_dir , 'get_source' => false);
		$_compile = $smarty->_fetch_resource_info($_params) && $_params['resource_timestamp'] > filemtime($_compile_file);
	} else {
		$_compile = false;
	}
	if($_compile) {
		// compile config file
		if(! is_object($smarty->_conf_obj)) {
			require_once SMARTY_DIR . $smarty->config_class . '.class.php';
			$smarty->_conf_obj = new $smarty->config_class();
			$smarty->_conf_obj->overwrite = $smarty->config_overwrite;
			$smarty->_conf_obj->booleanize = $smarty->config_booleanize;
			$smarty->_conf_obj->read_hidden = $smarty->config_read_hidden;
			$smarty->_conf_obj->fix_newlines = $smarty->config_fix_newlines;
		}
		$_params = array('resource_name' => $_file , 'resource_base_path' => $smarty->config_dir , $_params['get_source'] = true);
		if(! $smarty->_fetch_resource_info($_params)) {
			return;
		}
		$smarty->_conf_obj->set_file_contents($_file, $_params['source_content']);
		$_config_vars = array_merge($smarty->_conf_obj->get($_file), $smarty->_conf_obj->get($_file, $_section));
		if(function_exists('var_export')) {
			$_output = '<?php $_config_vars = ' . var_export($_config_vars, true) . '; ?>';
		} else {
			$_output = '<?php $_config_vars = unserialize(\'' . strtr(serialize($_config_vars), array('\'' => '\\\'' , '\\' => '\\\\')) . '\'); ?>';
		}
		$_params = (array('compile_path' => $_compile_file , 'compiled_content' => $_output , 'resource_timestamp' => $_params['resource_timestamp']));
		require_once (SMARTY_CORE_DIR . 'core.write_compiled_resource.php');
		smarty_core_write_compiled_resource($_params, $smarty);
	} else {
		include ($_compile_file);
	}
	if($smarty->caching) {
		$smarty->_cache_info['config'][$_file] = true;
	}
	$smarty->_config[0]['vars'] = @array_merge($smarty->_config[0]['vars'], $_config_vars);
	$smarty->_config[0]['files'][$_file] = true;
	if($_scope == 'parent') {
		$smarty->_config[1]['vars'] = @array_merge($smarty->_config[1]['vars'], $_config_vars);
		$smarty->_config[1]['files'][$_file] = true;
	} else 
		if($_scope == 'global') {
			for($i = 1, $for_max = count($smarty->_config); $i < $for_max; $i ++) {
				$smarty->_config[$i]['vars'] = @array_merge($smarty->_config[$i]['vars'], $_config_vars);
				$smarty->_config[$i]['files'][$_file] = true;
			}
		}
	if($smarty->debugging) {
		$_params = array();
		require_once (SMARTY_CORE_DIR . 'core.get_microtime.php');
		$smarty->_smarty_debug_info[] = array('type' => 'config' , 'filename' => $_file . ' [' . $_section . '] ' . $_scope , 'depth' => $smarty->_inclusion_depth , 'exec_time' => smarty_core_get_microtime($_params, $smarty) - $_debug_start_time);
	}
}
/* vim: set expandtab: */
?>
